Category: Physics

What does a lobbyist do exactly? Professional lobbyists are people whose business is trying to influence legislation, regulation, or other government decisions, actions, or policies on behalf of a group or individual who hires them. Individuals and nonprofit organizations can also lobby as an act of volunteering or as a small part of their normal […]

Does smoking change sperm DNA? How does smoking affect sperm? Men who smoke have decreased sperm concentration, decreased motility (how sperm swim), fewer normally shaped sperm, and increased sperm DNA damage. Do cigarettes alter your DNA? While we’ve long known that smoking is linked to cancer, this new research allows scientists to quantify the molecular […]

Can a meteor hit the sun? No asteroids have ever been observed to hit the Sun, but that doesn’t mean that they don’t! Orbits within in a Kirkwood gap are not stable, and any asteroid whose orbit wanders into such a region will eventually get pulled into a different orbit, which may take it into […]

Is it true that nonmetals increase in reactivity when moving from left to right? The reactivity of nonmetals increases when moving from left to right in the periodic table. They have a high attraction for electrons and tend to gain electrons. The most reactive nonmetal element is fluorine. What does xenon mean in Greek? Derived […]

What is the speed of light in a medium of refractive index n? The refractive index can be seen as the factor by which the speed and the wavelength of the radiation are reduced with respect to their vacuum values: the speed of light in a medium is v = c/n, and similarly the wavelength […]

What are the three steps of seafloor spreading? Terms in this set (7) Magma comes out of the rift valley. Magma cools to rock and hardens. Rock is pushed away as new rock is formed at MOR. Oceanic crust and continental crust meet at the trench. Oceanic crust bends down under the continental crust. Gravity […]

Who are some of the major developmental psychologists? Influential developmental psychologists from the 20th century include Urie Bronfenbrenner, Erik Erikson, Sigmund Freud, Jean Piaget, Barbara Rogoff, Esther Thelen, and Lev Vygotsky. Which country is best for psychologists? Top 9 Places to Study Psychology Abroad Austria. Home to the father of psychoanalysis, Sigmund Freud, Austria has […]

What is another name for a push or a pull? What is another word for push and pull? rock roll swerve writhe toss about walk unsteadily flap twirl pulsate dangle What is the opposite of push and pull? Pull noun – The act or an instance of applying force on something so that it moves […]

What is the best geometric shape? Triangles Whats stronger circle or triangle? The answer is the triangle, because of the way it distributes pressure. I’m assuming you’re referring to an equilateral triangle? The circle ie the strongest shape because it maintains constantly pressure , There is no inherent leverage as all points are at a […]

How does burning fossil fuels cause air pollution? When fossil fuels are burned, they release nitrogen oxides into the atmosphere, which contribute to the formation of smog and acid rain. Major sources of nitrogen oxide emissions include: Cars and trucks. Coal-fired power plants. What are the biggest contributors to pollution? Human activities are responsible for […]